Detecting trace lead in gasolines
US4153517A · kind A · utility
2Cited by
5References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 22, 1978 |
| Grant date | May 8, 1979 |
| Priority date | — |
| Expiry date | May 22, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/2864
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An improved galvanic detector for measuring trace amounts of tetralkyl lead in gasoline having a sample holder mounted in a turntable. A disc of dried porous material is placed in the holder and a small sample of gasoline placed on the porous material and allowed to evaporate for a pre-set time to flash off the olefins. The turntable is then rotated to pass the disc over the sensing electrode of the galvanic cell and the peak value of current signal produced by the galvanic cell is measured and recorded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.